Question 1

Where is Nanai Bridge?

Accepted Answer

Nanai Bridge is in Mitaka, Tokyo, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Occultic;Nine does Nanai Bridge appear in?

Accepted Answer

Nanai Bridge appears in EP10 of Occultic;Nine.

Question 3

Can I visit Nanai Bridge?

Accepted Answer

Yes. Nanai Bridge is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Occultic;Nine filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Nanai Bridge is one of those real places (EP10).